Daoist rejection of grain
The avoidance of "grain" signifies the Daoist rejection of common social practices. According to Kohn, "It is a return to a time in the dawn of humanity when there were as yet no grains; it is also a return to a more primitive and simple way of eating."[54]
Daoist bigu practices created excuses to quit the agricultural-based Chinese society in which grains were necessary for basic food, ancestral sacrifices, and tax payments:
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Bigu